CREDIT ARRANGEMENTS (Long-term Debt, Including the Deferred Gain from the Termination of the Interest Rate Swaps) (Details) - USD ($) $ in Thousands	Nov. 30, 2021	Aug. 31, 2021
Debt Instrument [Line Items]
Total debt	$ 1,072,475	$ 1,077,922
Less debt issuance costs	7,778	8,141
Total amounts outstanding	1,064,697	1,069,781
Less current maturities of long-term debt	56,896	54,366
Long-term debt	$ 1,007,801	1,015,415
2031 Notes
Debt Instrument [Line Items]
Weighted average interest rate	3.875%
Total debt	$ 300,000	300,000
2031 Notes | Significant Other Observable Inputs (Level 2) | Fair Value
Debt Instrument [Line Items]
Total debt	$ 297,378	306,279
2027 Notes
Debt Instrument [Line Items]
Weighted average interest rate	5.375%
Total debt	$ 300,000	300,000
2027 Notes | Significant Other Observable Inputs (Level 2) | Fair Value
Debt Instrument [Line Items]
Total debt	$ 309,978	316,839
2023 Notes
Debt Instrument [Line Items]
Weighted average interest rate	4.875%
Total debt	$ 330,000	330,000
2023 Notes | Significant Other Observable Inputs (Level 2) | Fair Value
Debt Instrument [Line Items]
Total debt	$ 341,058	348,071
Poland Term Loan | Revolving credit facility
Debt Instrument [Line Items]
Weighted average interest rate	3.08%
Total debt	$ 44,055	49,726
Poland Term Loan | Revolving credit facility | Significant Other Observable Inputs (Level 2) | Fair Value
Debt Instrument [Line Items]
Total debt	$ 44,055	49,726
Other
Debt Instrument [Line Items]
Weighted average interest rate	5.10%
Total debt	$ 19,492	19,492
Finance leases
Debt Instrument [Line Items]
Total debt	$ 48,936	52,144
Short-term borrowings
Debt Instrument [Line Items]
Weighted average interest rate, short term	1.161%
Total debt	$ 29,992	26,560
Short-term borrowings | Significant Other Observable Inputs (Level 2) | Fair Value
Debt Instrument [Line Items]
Total debt		$ 26,560